John Davis 1941. Desierto de los Leones, Mexico D.F., Mexico. July 19, 1941. Desierto de los Leones, which is no desert, but about 7500' up, in the pine-spruce belt. Drove around in the rain after supper looking for a camping place. We questioned two hikers on the road, and they turned out to be members of a hiking club which owned a cabin nearby. We were invited to spend the night in their cabin, which we did. July 20. Looked for birds in a.m. Saw red warblers, red-backed junco, Harland's towhee, meji- can chickadee, olive warbler, green-striped browner, Atapetes filicatus, and Bell Warbler. Spent rest of day around Mexico City and Xochimilco, where we took a boat ride through the "floating gardens", which are neither floating nor gardens. Very dis- appointing. Back to Desierto de los Leones for the night. July 21. Went in to Mexico City, where Sibley went to the authorities and started the process of get- ting a permit to collect birds. Spent rest of day in and around Mexico City. Stayed overnight in the Desierto de los Leones. July 22). Same as July 21. July 23). Sibley obtained his permit and we